#define _CRT_SECURE_NO_WARNINGS 1
#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
void my_strcpy(const char* arr1, char* arr2) {
	while (*arr1 != '\0') {
		*arr2 = *arr1;
		arr2++;
		arr1++;
	}
	*arr2 = '\0';
}
int main() {
	char arr1[] = "abcde";
	char arr2[100];
	my_strcpy(arr1, arr2);
	printf("%s\n", arr2);
	return 0;
}